JPS58169812A - Superconductive insulated wire - Google Patents
Superconductive insulated wireInfo
- Publication number
- JPS58169812A JPS58169812A JP57053272A JP5327282A JPS58169812A JP S58169812 A JPS58169812 A JP S58169812A JP 57053272 A JP57053272 A JP 57053272A JP 5327282 A JP5327282 A JP 5327282A JP S58169812 A JPS58169812 A JP S58169812A
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- wire
- insulated wire
- insulating paint
- silicone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003973 paint Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229920001296 polysiloxane Polymers 0.000 description 5
- -1 silane compound Chemical class 0.000 description 5
- 229920002050 silicone resin Polymers 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229930003836 cresol Natural products 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- SIXLXDIJGIWWFU-UHFFFAOYSA-N pyritinol Chemical compound OCC1=C(O)C(C)=NC=C1CSSCC1=CN=C(C)C(O)=C1CO SIXLXDIJGIWWFU-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PQMFVUNERGGBPG-UHFFFAOYSA-N (6-bromopyridin-2-yl)hydrazine Chemical compound NNC1=CC=CC(Br)=N1 PQMFVUNERGGBPG-UHFFFAOYSA-N 0.000 description 1
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical class NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 229910020012 Nb—Ti Inorganic materials 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- OLLFKUHHDPMQFR-UHFFFAOYSA-N dihydroxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](O)(O)C1=CC=CC=C1 OLLFKUHHDPMQFR-UHFFFAOYSA-N 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000657 niobium-tin Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003216 poly(methylphenylsiloxane) Polymers 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
[発明の技術分野]
本発明は超電導線に特定の絶縁被覆を設けて熱伝達特性
を向上させた超電導絶縁電線に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a superconducting insulated wire in which heat transfer characteristics are improved by providing a specific insulating coating on the superconducting wire.
[発明の技術的背景とその問題点]
従来より、超電導線の熱伝達特性を向上させる方法どし
て、超電導線にローレット加工、■クロス加工、バイト
加工、フィン加工等を施して機械的に表面に凹凸を設け
たり、超電導線に電解研磨(陽極酸化)、■ボノールC
処理、ブラッキー処理等の化学的表面処理を施して表面
積を増加させる方法がある。[Technical background of the invention and its problems] Conventionally, methods for improving the heat transfer characteristics of superconducting wires include mechanically applying knurling, cross processing, bit processing, fin processing, etc. to superconducting wires. Providing unevenness on the surface, electrolytically polishing (anodizing) the superconducting wire, ■ Bonol C
There is a method of increasing the surface area by applying chemical surface treatments such as surface treatment and Blackie treatment.
しかしながら、前者の機械的に凹凸を設ける方法では安
定化基材の厚さを厚くする必要があるうえ、製作上かな
りコスト上昇を伴うという欠点かあり、後者の化学的方
法は二1ストの面ではかなり有効であるが、表面処理を
行なうために1]゛程をIGノる必要があるという欠点
があった。However, the former method of mechanically creating unevenness requires the stabilizing base material to be thicker, and has the disadvantage of significantly increasing production costs, while the latter chemical method is a 21st method. Although this method is quite effective, it has the disadvantage that it is necessary to perform an IG treatment for about 1 inch to perform surface treatment.
また、後者の方法のうら電解研磨ではさほど冷却特性の
改善は認められず、■ボノールC処理や1ラツキー処理
では表面に針状の生成物が形成され、これは冷却特性を
改善させるがW#擦に対しで極端に弱いという欠点もあ
った。In addition, the latter method, electrolytic polishing, does not show much improvement in cooling properties, and ■Bonol C treatment and 1Ratsky treatment form needle-like products on the surface, which improve cooling properties, but W# It also had the disadvantage of being extremely weak against scratches.
本発明者らは、上述の欠点を解消するため鋭意研究を進
めた結果、超電導線に特定の絶縁塗料を塗布焼付すれば
得られる塗膜がポーラスであるため超電導線の熱伝達特
性が向上するうえにこの塗膜は前述の釘状生成物に比べ
て強固であり、また高温の熱処理に耐えるため、この超
電導線は絶縁電線としても有用であり、かつ粘着もない
ことを見出した。The inventors of the present invention have carried out intensive research to eliminate the above-mentioned drawbacks, and have found that by applying a specific insulating paint to a superconducting wire and baking it, the resulting coating film is porous, which improves the heat transfer characteristics of the superconducting wire. In addition, the coating film is stronger than the above-mentioned nail-like product and can withstand high-temperature heat treatment, making the superconducting wire useful as an insulated wire and free from stickiness.
[発明の目的]
本発明はこのような知見に基づいてなされてもので、超
電導線の熱伝達特性を向上させた超電導絶縁電線を提供
することを目的とする。[Object of the Invention] The present invention was made based on such knowledge, and an object of the present invention is to provide a superconducting insulated wire with improved heat transfer characteristics.
1発明の概要]
づなわも本発明の超電導絶縁電線は、超電導線外周の金
属表面にポリボロシロキサン樹脂を主成分とする絶縁塗
料の塗布焼付層を設けたことを特徴とするものである。1. Outline of the Invention] The superconducting insulated wire of the present invention is characterized in that a coated and baked layer of an insulating paint containing polyborosiloxane resin as a main component is provided on the metal surface of the outer periphery of the superconducting wire.
本発明に使用する超電導線としては、Nb−11等の合
金系超電導線やNb ssn 、VsGa、Nb5Aβ
等の化合物超電導線がある。The superconducting wire used in the present invention includes alloy superconducting wires such as Nb-11, Nb ssn , VsGa, Nb5Aβ
There are compound superconducting wires such as
本発明に使用する絶縁塗料としては、例えばポリボロシ
ロキサン樹脂にシリコーン樹脂と無機質充填剤とを配合
し、これをクレゾール、凶−メチル−2−ピロリドン(
NMP)等の有機溶剤に溶解あるいは分散させて得られ
るものがある。この絶縁塗料は焼付は後の塗膜がポーラ
スぐあり、かつ高温で長時間の熱処理に耐えるものであ
る。The insulating paint used in the present invention is, for example, a polyborosiloxane resin mixed with a silicone resin and an inorganic filler, and then mixed with cresol, methyl-2-pyrrolidone (
Some are obtained by dissolving or dispersing them in organic solvents such as NMP). This insulating paint has a porous coating after baking and can withstand long-term heat treatment at high temperatures.
なおポリボロシロキサン樹脂は
(a )Si X< 、Si RX3、Si RR’
X2で表わされるシラン化合物(但し、上式中R,R’
はアルキル基またはアリール基、Xは水酸基、アルコキ
シル基、7セトキリル基であっU、Xが水酸基の場合は
その脱水縮合物も含む[SiX4についてはXが4個と
も水酸基の場合を除く1)の1種または2種以上と
(b)ホウ酸、無水ホウ酸、ホウ酸金属塩、ハロゲン化
ホウ素、ホウ酸エステルの1種または2種以上とをSi
ニホウ素の原子比で1=10〜10:1好ましくは5
:1〜1:5の範囲で50〜800 ’Cで加熱して縮
重合させることにより得られる。Note that the polyborosiloxane resin is (a) Si X < , Si RX3, Si RR'
A silane compound represented by X2 (in the above formula, R, R'
is an alkyl group or an aryl group; Si
The atomic ratio of diboron is 1 = 10 to 10:1, preferably 5
:1 to 1:5 by heating at 50 to 800'C to conduct condensation polymerization.
このとき必要に応じてアセチルアセトン、無水酢酸、ク
レゾール、テトラヒドロノラン、キシレン、NMP、ジ
メチルアセトアミドのような有機溶剤を用いてもよい。At this time, organic solvents such as acetylacetone, acetic anhydride, cresol, tetrahydronolane, xylene, NMP, and dimethylacetamide may be used as necessary.
しかして上記(a)、(b)成分ととともに下記の成分
を配合して反応させることにより、得られるポリボロシ
ロキサン樹脂の可どう性や耐水性を向上させることもで
きる。However, by blending and reacting the following components with the components (a) and (b) above, the flexibility and water resistance of the resulting polyborosiloxane resin can be improved.
(C)メチルフェニルシリコーンオイル、ジメチルシリ
コーンオイル等のシリコーンオイル(d ”)芳香族ア
ルコール、脂肪族多価アルコール、フェノール類、芳香
族カルボン酸
(e )鉛、マンガン、」バルト、亜鉛、カルシウム等
の有機塩の混合物
(f)トリエタノールアミン、モノエタノールアミン、
ジェタノールアミン、フェニレンジアミン、エチレンジ
アミン、トリメチレンジアミン等の含窒素化合物
(C)〜(f)成分の配合量は、(a )成分と(b
)成分との合計ai oo重量部あたり、(C)成分は
5〜100重量部、(d>の成分は5〜30重鏝部、(
e )成分は0.05〜10重一部、(f )成分は、
N原子の数が(b)成分中のホウ素原子の数100あた
り5〜200となる凶とすることが望ましい。上記(C
)〜(f )成分は、単独でもしくは2種以上で用いら
れる。(C) Silicone oils such as methylphenyl silicone oil and dimethyl silicone oil (d) Aromatic alcohols, aliphatic polyhydric alcohols, phenols, aromatic carboxylic acids (e) Lead, manganese, balt, zinc, calcium, etc. (f) a mixture of organic salts of triethanolamine, monoethanolamine,
The blending amounts of nitrogen-containing compounds (C) to (f) such as jetanolamine, phenylenediamine, ethylenediamine, and trimethylenediamine are the same as those for components (a) and (b).
), component (C) is 5 to 100 parts by weight, component (d> is 5 to 30 parts by weight, (
e) component is 0.05 to 10 parts, (f) component is:
It is desirable that the number of N atoms be 5 to 200 per 100 boron atoms in component (b). Above (C
) to (f) may be used alone or in combination of two or more.
本発明において絶縁塗料に配合されるシリコーン樹脂は
市販のものが使用でき、例えば東芝シリコーン社製のT
SR116がある。このような純シリコーンの他シリコ
ーンアルキッド、シリコーンポリエステル、シリコーン
エポキシ等がある。In the present invention, commercially available silicone resins can be used as the silicone resin compounded in the insulating paint. For example, T
There is SR116. In addition to pure silicone, there are silicone alkyds, silicone polyesters, silicone epoxies, and the like.
このものの配合量はボリボ0シ日キリン樹脂100垂一
部あたり5〜400好ましくは10〜200重鰻部が適
している。この範囲未満では【すどう性が劣り、この値
を越えると耐熱性が低下する。The suitable amount of this compound is 5 to 400 parts, preferably 10 to 200 parts per 100 parts of Kirin resin. If it is less than this range, the stability will be poor, and if it exceeds this value, the heat resistance will be poor.
さらにまた、無機質充填剤としては、雲母、タルク、酸
化アルミニウム、酸化ジルコニウム、酸化マグネシウム
、タングステン、ケイ酸アルミニウム、ケイ酸マグネシ
ウム、数種の金属酸化物を混合溶解したセラミックフリ
ット等がある。これらは単独ぐ使用してもよく、また混
合して使用しでも同様の効果が得られる。これらの無機
質充填剤は天然産でもよく合成品でもよいが、いずれも
粒径10μ−以下の微粉末が望ましい。このものの配合
量はポリボロシロキサン樹脂とシリコーン樹脂との合耐
口100重量部あたり5〜300好ましくは5〜200
重一部が適している。この値未満では耐熱性に劣り、こ
の値を越えると機械特性が低下する。Furthermore, examples of the inorganic filler include mica, talc, aluminum oxide, zirconium oxide, magnesium oxide, tungsten, aluminum silicate, magnesium silicate, and ceramic frit prepared by mixing and dissolving several metal oxides. These may be used alone or in combination to obtain the same effect. These inorganic fillers may be natural or synthetic, but are preferably fine powders with a particle size of 10 μm or less. The amount of this compound is 5 to 300, preferably 5 to 200, per 100 parts by weight of the polyborosiloxane resin and silicone resin.
Heavy parts are suitable. If it is less than this value, the heat resistance will be poor, and if it exceeds this value, the mechanical properties will be deteriorated.
本発明において、例えば化合物系超電導絶縁電線の製造
は、熱処理により生成するNb5S11等がもろいとい
う理由から次の方法により行なうのが望ましい。In the present invention, for example, the production of a compound-based superconducting insulated wire is preferably carried out by the following method because Nb5S11 and the like produced by heat treatment are brittle.
すなわち化合物系超電導線を最終形状まで加]−布焼付
する。得られる塗膜は500℃以上の14温、長時間の
熱処理に耐えるものである。That is, the compound-based superconducting wire is shaped into a final shape and then baked into a cloth. The resulting coating film can withstand heat treatment at a temperature of 500° C. or higher for a long period of time.
次いでこれを束状あるいはボビン巻きして550〜80
0℃、20〜200時間の熱処理を行なってNb ss
n 1VsGa 、Nb sAl等の化合物を形成させ
る。なお、塗布焼付に際して超電導線表面に銀めっき等
の非磁性材料を塗布したものを使用すれば、塗膜の密着
性、耐圧特性かさらに向上する。Next, this is wound into a bundle or a bobbin to give 550 to 80
After heat treatment at 0°C for 20 to 200 hours, Nb ss
Compounds such as n 1VsGa and Nb sAl are formed. Note that if a superconducting wire whose surface is coated with a non-magnetic material such as silver plating is used during coating and baking, the adhesion and pressure resistance of the coating film will be further improved.
また、合金系超電導絶縁電線は、例えばNb−Ti超電
導線を伸線したあと、熱処理あるいは焼鈍してα−11
を析出させた後冷間加工を施し、次いで絶縁塗料を焼付
けることにより得られる。In addition, alloy-based superconducting insulated wires are produced by, for example, drawing Nb-Ti superconducting wires and then heat-treating or annealing them to obtain α-11
It is obtained by precipitating, cold working, and then baking an insulating paint.
「発明の実施例」′]“゛ 次に本発明の実施例について説明する。“Embodiments of the invention”′]“゛ Next, examples of the present invention will be described.
(絶縁塗料の製造)
ジフェニルジヒドロキシシラン432g (2モル)、
ホウ酸83(](11,3モル、粘度(25℃)が10
センチストークスのジメチルシリコーンオイル2569
をフラスコに入れ、窒素雰囲気中で攪拌下に室温から4
QO℃まで6時間を要して昇温させ、さらに400℃で
1時間加熱攪拌して縮重合反応を行なった。反応過程で
66gの水と709の未反応の低分子量シリコーンオイ
ルが溜出除去された。(Manufacture of insulating paint) 432 g (2 moles) of diphenyldihydroxysilane,
Boric acid 83(](11,3 mol, viscosity (25℃) is 10
Centistokes dimethyl silicone oil 2569
into a flask and stirred in a nitrogen atmosphere from room temperature for 4 hours.
The temperature was raised to QO°C over 6 hours, and the mixture was further heated and stirred at 400°C for 1 hour to carry out a polycondensation reaction. During the reaction process, 66 g of water and 709 unreacted low molecular weight silicone oil were distilled off.
このようにして得られたポリボロシロキサン樹脂は、常
温で無色固形状であり、収量は525gCあった。この
樹脂の数平均分子量はポリスチレン換梼で1500であ
り、700℃までの焼成残存率は35%であった。これ
をNMPに溶解させて不揮発分45・6%の樹脂溶液と
した。The polyborosiloxane resin thus obtained was colorless and solid at room temperature, and the yield was 525 gC. The number average molecular weight of this resin was 1500 when converted to polystyrene, and the residual rate after firing up to 700°C was 35%. This was dissolved in NMP to obtain a resin solution with a nonvolatile content of 45.6%.
このポリボロシロキサン樹脂溶液333gをシリコーン
樹脂(東芝シリコーン社製TSR116)30(1、I
t化マグネシウム120!+とともに、NMP3000
に溶解させて絶縁塗料を製造した。333 g of this polyborosiloxane resin solution was added to silicone resin (TSR116 manufactured by Toshiba Silicone Co., Ltd.) 30 (1, I
Magnesium t-chloride 120! + together with NMP3000
An insulating paint was produced by dissolving it in
実施例1
Nb3Snの295本マルチ線材を1111厚×2’1
m幅の平角形状に加工した後、即き2μmの銀メッキを
施し、′これに前述の絶縁塗料を450℃、0μmの線
材を得た。この線材は曲げ径3nφまで曲げても被膜に
欠損は生じなかった。この線材2000mを胴径800
nφのステンレス製ボビンに巻付け、700℃で72
時間の熱処理をアルゴンガス雰囲気中で行なったところ
全長にわたり線材間の粘着はなかった。Example 1 295 Nb3Sn multi-wire rods 1111 thick x 2'1
After processing it into a rectangular shape with a width of m, it was immediately plated with 2 μm of silver, and then coated with the above-mentioned insulating paint at 450° C. to obtain a wire rod of 0 μm. Even when this wire was bent to a bending diameter of 3 nφ, no defects occurred in the coating. This 2000m wire has a body diameter of 800m.
Wound around nφ stainless steel bobbin and heated to 72°C at 700°C.
When heat treatment was performed in an argon gas atmosphere for several hours, there was no adhesion between the wires over the entire length.
このようにして得られた超電導絶縁電線の絶縁破壊電圧
は400vであった。また、このものの熱伝達特性はエ
ボノールCによる表面処理を施した同一線材に比べて回
復熱流速で約10%高い伯が得られた。The dielectric breakdown voltage of the superconducting insulated wire thus obtained was 400V. In addition, the heat transfer properties of this material were approximately 10% higher in recovery heat flow rate than the same wire material whose surface was treated with Evonol C.
実施例2
外径1.6uφの三層構造からなるNbT1のファイン
マルチ線に前述の絶縁塗料を塗布したあと、300 ℃
で2時間の最終焼鈍を行なった。この条件で前述の絶縁
塗料は硬化し図面の顕微鏡写輿に示すようにポーラスな
塗膜を形成した。Example 2 After applying the above-mentioned insulating paint to a NbT1 fine multi-wire having a three-layer structure with an outer diameter of 1.6uφ, it was heated to 300°C.
Final annealing was carried out for 2 hours. Under these conditions, the above-mentioned insulating paint was cured to form a porous coating as shown in the micrograph of the drawing.
この線材を17本撚合1!3.0mmX 14.0m+
+寸法の圧縮成形撚線を製造した。Twisting 17 of these wires 1!3.0mmX 14.0m+
Compression molded strands of + dimension were produced.
このように成形して得られた超電導絶縁電線の塗膜は十
分堅固な状態で保たれていた。また、このものの熱伝達
特性はエボノールCによる表面処理を施した同一線材に
比べて、回復熱流速で約10%高い値が得られた。The coating film of the superconducting insulated wire obtained by molding in this manner was maintained in a sufficiently firm state. Furthermore, regarding the heat transfer characteristics of this material, a value about 10% higher in recovery heat flow rate was obtained compared to the same wire material whose surface was treated with Evonol C.
[発明の効果]
以上の実施例から超電導線外周にポリボロシロキサン樹
脂を主成分とする絶縁塗料の塗布焼付層を設けることに
より、熱伝達特性が向上するとともに、熱処理時の粘着
が防止できるのでセパレータが不要になり、また熱処理
後の塗膜は所定の絶縁破壊電圧を維持している。[Effects of the Invention] From the above examples, by providing a coating and baking layer of an insulating paint containing polyborosiloxane resin as a main component on the outer periphery of the superconducting wire, heat transfer characteristics can be improved and sticking during heat treatment can be prevented. A separator is no longer required, and the coating film maintains a predetermined dielectric breakdown voltage after heat treatment.
また、本発明の超電導絶縁電線は、特にパルスマグネッ
ト等のように常時パルス磁場にさらされるマグネット用
線材として好適である。Further, the superconducting insulated wire of the present invention is particularly suitable as a wire for a magnet that is constantly exposed to a pulsed magnetic field, such as a pulsed magnet.
図は本発明の超電導絶縁電線の表面の顕微鏡写負であり
、(a )は50倍、(b )は3504Bで−ある。
代理人弁理士 須 山 佐 =
(ほか1名)
1′・。
(×50)
(×う50)
第1頁の続き
0発 明 者 荒原幸三
川崎市川崎区小田栄2丁目1番
1号昭和電線電纜株式会社内
0発 明 者 星野哲夫
川崎市川崎区小田栄2丁目1番
1号昭和電線電纜株式会社内
手続補正書(方式)
%式%
1 事件の表示
昭和 57年 1lIIIIII第 53272号2
、発明の名称 超電導絶縁電線
3、 補正をする者
事件との関係 特許出願人
4、代理人
7、補正の対象
明細書第10頁20行〜第11頁2行目を下記の通り訂
正する。
[図は本発明の超電導絶縁電縫の表面の粒子構造を示す
顕微鏡写真でToシ、(1)は50倍、(b)は350
倍である。」The figures are microscopic photographs of the surface of the superconducting insulated wire of the present invention, (a) magnified by 50 and (b) magnified by 3504B. Representative Patent Attorney Sasa Suyama = (1 other person) 1'. (×50) (×50) Continued from page 1 0 Author: Kozo Arahara Inside Showa Cable Electric Co., Ltd., 2-1-1 Oda Sakae, Kawasaki-ku, Kawasaki City 0 Author: Tetsuo Hoshino Oda Sakae, Kawasaki-ku, Kawasaki City 2-1-1 Showa Electric Wire and Cable Co., Ltd. Internal Procedures Amendment (Method) % Formula % 1 Incident Display Showa 57 1lIIIIII No. 53272 No. 2
, Title of the invention: Superconducting insulated wire 3, Relationship with the case of the person making the amendment: Patent applicant 4, agent 7, page 10, line 20 to page 11, line 2 of the specification subject to amendment are corrected as follows. [The figures are micrographs showing the particle structure of the surface of the superconducting insulation resistance stitch of the present invention. (1) is 50x, (b) is 350x
It's double. ”
Claims (1)
成分とする絶縁塗料の塗布焼付層を設けたことを特徴と
する超電導絶縁電線。A superconducting insulated wire characterized in that a coated and baked layer of an insulating paint containing polyborosiloxane resin as a main component is provided on the metal surface of the outer periphery of the superconducting wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57053272A JPS58169812A (en) | 1982-03-31 | 1982-03-31 | Superconductive insulated wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57053272A JPS58169812A (en) | 1982-03-31 | 1982-03-31 | Superconductive insulated wire |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58169812A true JPS58169812A (en) | 1983-10-06 |
Family
ID=12938097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57053272A Pending JPS58169812A (en) | 1982-03-31 | 1982-03-31 | Superconductive insulated wire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58169812A (en) |
-
1982
- 1982-03-31 JP JP57053272A patent/JPS58169812A/en active Pending
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